/Engine/Source/Runtime/MovieScene/Public/EntitySystem/MovieScenePropertyComponentHandler.h
[TCompositePropertyDefinitionBuilder](API\Runtime\MovieScene\EntitySystem\TCompositePropertyDefinitionBuil-)< PropertyTraits, Composites..., double > AddComposite ( [TComponentTypeID](API\Runtime\MovieScene\EntitySystem\TComponentTypeID)< double > InComponent, double StorageType::* DataPtr )